An extra option on the toolbar so, as an example, a pen and a highlighter can be side by side, making it easier to switch between them when annotating. Going through menus to change the tools and colours back and forth becomes a hassle (see Onenote as an example)
An extra option on the toolbar so, as an example, a pen and a highlighter can be side by side, making it easier to switch between them when annotating. Going through menus to change the tools and colours back and forth becomes a hassle (see Onenote as an example)