"Primary attack" refers to the main or initial assault in a conflict or combat situation. It is the first and most important offensive action taken by a person or group to start an attack or engage in a battle. Full definition
The entirety of combat in Risen 2 is based on just one primary attack button with a few other options thrown into the mix. (wolfsgamingblog.com)
Google's primary attack vector against the FRAND damages part of Judge Posner's ruling is that traditionally any patent damages based on a reasonable - royalties theory must be calculated as per the date when infringement began, not an earlier date. (fosspatents.com)
Your standard attack is mapped to A on the Xbox One, but open up the character menu and you'll find three our four different selectable styles of primary attack, each offering various benefits. (wolfsgamingblog.com)