Does Provisions include Terms, Conditions, Obligations, Covenants, etc?

[balance2b]

In contract language any thoughts on whther the word "provision" includes all parts of the contract eg, terms, conditions, covenants, etc?

For example, in a Severability clause:
If any provision of this agreement is held to be invalid, void, illegal, unenforceable then the other provisions of this agreement will still be held...

OR

If any term, condition, covenant of this agreement is held to be invalid, void, illegal, unenforceable, then the other terms, conditions, covenants of this agreement will still be held...

OR, can you just say "part"

If any part of this agreement is held to be invalid, void, illegal, unenforceable then the other parts of this agreement will still be held...