According to the Oxford dictionary, the definition is as follows:
act – to take action in order to bring about; fulfil the function or serve the purpose of; take effect; have a particular effect.
Not you, of course. Us. All you need to do is call for help and naturally, you always have the final say. As for everything else, just leave it to us. It’s our passion. And our expertise. We love it. And it means that you can get on with your day job.