Here are two small practice examples showing the kind of difficulty a guitar lesson can address.
Keep a chord change in time. If you can already form E minor (Em) and A minor (Am), try four steady counts on each: Em: 1, 2, 3, 4; Am: 1, 2, 3, 4. Use one downward strum per count. If you pause before Am, the task is to make that change within the pulse, rather than play the first chord faster.
Slow the whole exercise to a comfortable metronome click; a metronome supplies a regular beat. Practise the change separately, then return to the same simple strum. A useful sign of improvement is that Am arrives on the next count of one with a clear sound and no extra pause. Keep that as the follow-up task before adding a more complicated strumming pattern. The example applies Fender’s timing guidance and chord-transition practice.
Read a tiny tab fragment. In standard tuning, the top line of guitar tablature represents the thin, high E string. On that line, 0–2–3 means pluck the string open, then press and play at the second fret, then the third. The numbers identify frets, not fingers; “open” means no finger is pressing the string against a fret.
For this exercise, play one note on each of three steady beats. That rhythm is an added instruction: the bare numbers alone do not tell you how long each note lasts. Repeat the same three notes and listen for an even spacing between them. Some published tab includes rhythmic information; Fender’s tab guide explains the distinction.