dca603d2_MacInfo___Efficiency__What_to_do
[Task] Doing something to several items [Example] set several pieces of text to an emphasis style [What to do] 
if there is a tools palette that lets you do this operation, move it close to the place where you are going to use it. This avoids long travel with the mouse between each use of the tool. If there is a keyboard shortcut and you do this operation daily, learn the keyboard shortcut. If there is no keyboard shortcut, but the application can be customised with new keyboard shortcuts, define a comfortable shortcut.
MacInfo - Efficiency
What to do