Navigate to the handbook page for MuseScore 2: Text
The previous chapter covers tempo , but there are many other types of text available in MuseScore: lyrics , chord name , dynamics , fingering , headings, rehearsal marks, plus many more. These are all accessible from the main menu via Create → Text.
For short generic text use staff or system text. The difference between these two texts is whether you want it to apply to a single staff or apply to the whole system. This makes a difference when part extraction .