Update sui-glossary.md

Submitting changes recently proposed in https://docs.google.com/document/d/1607YUKGjR0avOV8qyMI_sjvA97vWLS5uyPtYr-OL_Vc/edit#

doc/src/learn/sui-glossary.md

@@ -7,10 +7,7 @@ Find terms used in Sui defined below. Where possible, we link to a canonical def
 
 ### Accumulator
 
-An [accumulator](https://en.wikipedia.org/wiki/Accumulator_(cryptography)) makes sure the transaction is received by a quorum of authorities,
-collects a quorum of votes, submits the certificate to the authorities, and replies to the client. The accumulator enables transactions to be
-certified. Sui offers a Gateway service that can assume the role of accumulator and collect votes on transactions from authorities in Sui,
-saving end users bandwidth.
+An *accumulator* makes sure the transaction is received by a quorum of authorities, collects a quorum of votes, submits the certificate to the authorities, and replies to the client. The accumulator enables transactions to be certified. Sui offers a Gateway service that can assume the role of accumulator and collect votes on transactions from authorities in Sui, saving end-users bandwidth.
 
 
 ### Authority
@@ -26,25 +23,25 @@ For more information, see [Authorities vs validators/miners](how-sui-works.md#au
 
 [Causal order](https://www.scattered-thoughts.net/writing/causal-ordering/) is a representation of the relationship between transactions
 and the objects they produce, laid out as dependencies. Authorities cannot execute a transaction dependent on objects created by a prior
-transaction that has not finished. Rather than total order, Sui uses causal order.
+transaction that has not finished. Rather than total order, Sui uses causal order (a partial order).
 
 For more information, see [Causal order vs total order](how-sui-works.md#causal-order-vs-total-order). 
 
 
 ### Certificate
 
-A certificate is the mechanism proving a transaction has been approved, or certified. Authorities vote on transactions, and the sender collects
+A certificate is the mechanism proving a transaction has been approved, or certified. Authorities vote on transactions, and an aggregator collects
 a Byzantine-resistant-majority of these votes into a certificate and broadcasts it to all Sui authorities, thereby ensuring finality.
 
 
 ### Equivocation
 
-Equivocation in blockchains is the malicious action of dishonest actors giving conflicting information, such as inconsistent or duplicate voting.
+Equivocation in blockchains is the malicious action of dishonest actors giving conflicting information for the same message, such as inconsistent or duplicate voting.
 
 
 ### Epoch
 
-Operation of the Sui network is temporally partitioned into non-overlapping, fixed-duration (e.g. 24-hour) *epochs*. During a particular epoch, the set of authorities participating in the network is fixed.
+Operation of the Sui network is temporally partitioned into non-overlapping, fixed-duration *epochs*. During a particular epoch, the set of authorities participating in the network is fixed.
 
 For more information, see [Epochs](../build/authorities.md#epochs).
 
@@ -55,11 +52,11 @@ For more information, see [Epochs](../build/authorities.md#epochs).
 certifies the transaction, all of the other honest authorities will too eventually.
 
 
-### Family history
+### Causal history
 
-Family history is the relationship between an object in Sui and its direct predecessors and successors. This history is essential to the causal
-order Sui uses to process transactions. In contrast, other blockchains attempt to read the entire state of their world for each transaction,
-introducing great latency.
+Causal history is the relationship between an object in Sui and its direct predecessors and successors. This history is essential to the causal
+order Sui uses to process transactions. In contrast, other blockchains read the entire state of their world for each transaction,
+introducing latency.
 
 
 ### Finality
@@ -75,45 +72,41 @@ As with other blockchains, [gas](https://www.investopedia.com/terms/g/gas-ethere
 
 ### Genesis
 
-Genesis is the initial act of creating accounts and gas objects. Sui provides a `genesis` command that 
+Genesis is the initial act of creating accounts and gas objects. Sui provides a `genesis` command that allows users to create and inspect the genesis object setting up the network for operation.
 
 For more information, see [Genesis](../build/wallet.md#genesis).
 
 
 ### Gateway service
 
 Sui provides a Gateway service that enables third parties, say app/game developers, to route transactions on behalf of users. Because Sui never requires
-exchange of private keys, third parties may offload bandwidth use from mobile device to server - for a fee.
+exchange of private keys, users can offload the bandwidth use of transaction submission (e.g. when operating from a mobile device) to an untrusted server.
 
 
 ### Multi-writer objects
 
 Multi-writer objects are those owned by more than one account. Transactions affecting multi-writer objects require consensus in Sui. This contrasts with
-those affecting only single-writer objects, which require only a confirmation of the owner’s account.
+those affecting only single-writer objects, which require only a confirmation of the owner’s account contents.
 
 
 ### Proof-of-stake
 
-[Proof-of-stake](https://en.wikipedia.org/wiki/Proof_of_stake) is a blockchain consensus mechanism where the voting weights of authorities or validators is
-proportional to their stake in the network. This mitigates attacks by forcing bad actors to gain a large stake in the blockchain first. 
+[Proof-of-stake](https://en.wikipedia.org/wiki/Proof_of_stake) is a blockchain consensus mechanism where the voting weights of authorities or validators is proportional to a bonded amount of the network's native currency (called their stake in the network). This mitigates [Sybil attacks](https://en.wikipedia.org/wiki/Sybil_attack) by forcing bad actors to gain a large stake in the blockchain first. 
 
 
 ### Smart contract
 
-A [smart contract](https://en.wikipedia.org/wiki/Smart_contract) is an agreement based upon the protocol for conducting transactions in a blockchain. In Sui,
-smart contracts are written in the [Move](https://github.com/MystenLabs/awesome-move) programming language.
+A [smart contract](https://en.wikipedia.org/wiki/Smart_contract) is an agreement based upon the protocol for conducting transactions in a blockchain. In Sui, smart contracts are written in the [Move](https://github.com/MystenLabs/awesome-move) programming language.
 
 
 ### Single-writer objects
 
-Single-writer objects are owned by one account. In Sui, transactions affecting only single-writer objects owned by the same account may proceed with only a
-check of the sender’s account, greatly speeding transaction times.
+Single-writer objects are owned by one account. In Sui, transactions affecting only single-writer objects owned by the same account may proceed with only a check of the sender’s account, greatly speeding transaction times.
 
 
 ### Total order
 
-Total order is the view of the entire state of a blockchain at any given time. This is used by many blockchain systems to certify transactions. In contrast,
-Sui uses causal order.
+[Total order](https://en.wikipedia.org/wiki/Total_order) refers to the ordered presentation of the history of all transactions processed by a traditional blockchain up to a given time. This is maintained by many blockchain systems, as the only way to process transactions. In contrast, Sui uses a causal (partial) order wherever possible and safe.
 
 For more information, see [Causal order vs total order](how-sui-works.md#causal-order-vs-total-order). 
 
@@ -125,3 +118,4 @@ A transfer is switching the owner address of a token to a new one via command in
 available in the wallet.
 
 For more information, see [Transferring objects](../build/wallet.md#transferring-objects).
+