BuildEntryChoiceString builds a string to be shown to user in selection displaying all information about an entry.

BuildThemeString builds a string displaying information about a theme e.g.

BuildVideoChoiceString builds a string to be shown to user in selection displaying all information about a video.

NewInterface creates a new working Interface to use utils.

SimpleSelection shows a choice of items and returns the index of the selected item.

I don't know how to call it, so I'll call it Interface (as an Interface to interact with utils).