Processes are a set of steps in time. Here are a few templates to get you started. In SlideMagic, you can add/delete columns easily.

 
Four process steps with space for elaboration

Four process steps with space for elaboration

Five process steps with space for elaboration

Five process steps with space for elaboration

Gantt charts and time lines

Gantt charts and time lines

A detailed timeline, it gets crowded but it will still do for an appendix page

A detailed timeline, it gets crowded but it will still do for an appendix page