Welcome to the forum.
If you can hear the metronome, you've got this thing licked! ?
Seriously, it is deep program and somewhat complicated for new users, especially if you're not familiar with some of the terms.
Forum member John Vere (AKA Cactus Music) has a series of video tutorials on You Tube, as have many others. There is a Help file with the program and a PDF that can be downloaded from Cakewalk. It's >1600 pages.
Besides learning the program, there is the hardware side of recording and mastering music. If you're serious about this vocation, or avocation, having decent gear will pay off in fewer headaches and better-quality sound.