Open me to deal with me later;
Lean on me to move ahead;
Keep me to stay in the know;
Read me to choose which to pick;
Close me when you want to see no more.
What am I?
Pairing each of the five verbs with the intended answer (or a variation of it) will hopefully create a concrete action or phrase.
The internet, as noted in one of the guesses below, is loosely relevant to one of the lines. So is guitar-playing to another of the lines. I'll leave the other three as mysteries for now.