Some times we need to edit text style, because when drafting begin text size maybe too small, so it became trouble, we should edit the text style by two ways,
first select the text that you want to edit, then right click, and select style editing
second, we can select icon then edit the text.
for more detail please read below instruction
1. Define what you want to edit, text size, color, arrow marker or other, for the example, i want to edit text size and color for drafting like below :
2. Select Edit style icon, if you can't find it, perhaps your toolbar doesn't load it yet, check the toolbar "Edit Drafting", load it first if you can't...