Which phrase best describes the purpose of a slide master? Check all that apply.

to determine the layout for each individual slide in a presentation
to allow users to give each slide in a presentation a unique look and feel
to establish the layout of all slides, or a group of slides, in a presentation
to determine the theme of all slides, or a group of slides, in a presentation
to set the thematic characteristics of each individual slide in a presentation
to allow users to apply changes in layout or theme to an entire presentation