docs: additional clarity to the context around which preview methods …

…operate (ethereum#4745)

* refactor: add call context input to preview methods

* refactor: loosen restrictions a bit

* refactor: match grammar

EIPS/eip-4626.md

@@ -171,8 +171,8 @@ MUST *NOT* revert.
 Allows an on-chain or off-chain user to simulate the effects of their deposit at the current block,
 given current on-chain conditions.
 
-MUST return the *exact* amount of Vault shares that would be obtained if depositing a given
-*exact* amount of underlying assets using the `deposit` method.
+MUST return the *exact* amount of Vault shares that would be minted if the caller were to deposit
+a given *exact* amount of underlying assets using the `deposit` method.
 MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.
 MUST *NOT* revert.
 
@@ -247,8 +247,8 @@ MUST *NOT* revert.
 Allows an on-chain or off-chain user to simulate the effects of their mint at the current block,
 given current on-chain conditions.
 
-MUST return the *exact* amount of underlying assets that would be deposited in exchange for minting a given
-*exact* amount of Vault shares using the `mint` method.
+MUST return the *exact* amount of underlying assets that would be deposited by the caller in exchange
+for minting a given *exact* amount of Vault shares using the `mint` method.
 MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.
 MUST *NOT* revert.
 
@@ -323,8 +323,8 @@ MUST *NOT* revert.
 Allows an on-chain or off-chain user to simulate the effects of their withdrawal at the current block,
 given current on-chain conditions.
 
-MUST return the *exact* amount of Vault shares that would be redeemed if withdrawing a given
-*exact* amount of underlying assets using the `withdraw` method.
+MUST return the *exact* amount of Vault shares that would be redeemed by the caller if withdrawing
+a given *exact* amount of underlying assets using the `withdraw` method.
 MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.
 MUST *NOT* revert.
 
@@ -402,8 +402,8 @@ MUST *NOT* revert.
 Allows an on-chain or off-chain user to simulate the effects of their redeemption at the current block,
 given current on-chain conditions.
 
-MUST return the *exact* amount of underlying assets that would be withdrawn if redeeming a given
-*exact* amount of Vault shares using the `redeem` method.
+MUST return the *exact* amount of underlying assets that would be withdrawn by the caller if redeeming
+a given *exact* amount of Vault shares using the `redeem` method.
 MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.
 MUST *NOT* revert.