Although the end result is the same, I feel like 4e has a better "explanation" of these mechanics.
In any round, you get a STANDARD action, a MOVE action, and a FREE action.
You can use a STANDARD action to affect a MOVE or FREE action, and you can use a MOVE action to affect a FREE action.
The 5-foot step (in combat) represents your MOVE action.
Good to know though, that Standing up provokes an AoO.
In any round, you get a STANDARD action, a MOVE action, and a FREE action.
You can use a STANDARD action to affect a MOVE or FREE action, and you can use a MOVE action to affect a FREE action.
The 5-foot step (in combat) represents your MOVE action.
Good to know though, that Standing up provokes an AoO.