Definition of purvey. purveyed. ; purveying. transitive verb. 1 : to supply (as provisions) usually as a matter of business. 2 : peddle 2.
Using a capo is easy. You just have to think of it as a movable nut. Clamp it on the fret you will use for the key you are playing in, and just play chords or picking from a key you know. You can play in G using chords from the key of F if you put the capo on the second fret.
Make sure you get the right kind of strings for your ukulele. Know what type of ukulele you have: soprano, concert, tenor, or baritone and buy strings that are specifically made for that type of ukulele. Check with your local music store if you are unsure about what kind of strings you need.