A command phrase is a specific set of words or a sentence used to give instructions or orders to someone or something. It is like a command that tells someone what to do. Full definition
The voice - activation system can respond to more casual command phrases that require less user familiarization, in addition to the previous capability of being able to understand spoken city and street names. (hondanews.com)
What really sets the Google Home apart from the Echo is the ability to customize command phrases and responses, which requires a little more elbow grease to get set up but also opens up a lot of potential for things only the Google Home can do. (smarthome.reviewed.com)
By tapping out command phrases in time with the game's background beat, the Patapon can be instructed to advance or retreat, attack or defend. (gamesetwatch.com)