Clear consistency needed for "Basic ability" vs "Basic attack" descriptions

You do know that basic abilities are not always an attack, as such, to be technical, using the term basic ability ensures that reading comprehension interprets that to mean using a basic ability will trigger the effect. Making a skill labelled as attack only, as you propose has the potential to be limiting .

A basic attack and basic ability are nearly the same thing, however, basic ability is the correct overriding term for that move you can select.