The text assigned to *ngFor is the instruction that guides the repeater process. *ngFor microsyntax The string assigned to *ngFor is not a template expression. It’s a microsyntax — a little language of its own that Angular interprets. But first, let’s take a closer look at template expressions and statements. back to topTemplate expressions A template expression produces a value. Breaking up large lists into smaller lists is called batching. Template input variables The let keyword before hero creates a template input variable called hero. The ‘batch’ variable is a batch of ten items from the lists of employees.