Charged attacks come in many shapes and sizes, largely depending on the type of game, but there's two basic types:
'Collect' type charge attacks. Closely related to the Limit Break popular in JRPGs, this involves performing some sort of action repeatedly to fill up a Charge Meter, and once it reaches a certain point (usually full) the attack may be unleashed. This action can be anything, from [...] [tvtropes.org]