Words from
allude
suggest or call attention to (something) indirectly; hint at.
Source: Children of Time - Novel by Adrian Tchaikovsky
allude
mention without discussing at length.
Source: Children of Time - Novel by Adrian Tchaikovsky
Usage Example: allude briefly to the main points.
preface
introduce or begin (a speech or event) with or by doing something.
Source: Children of Time - Novel by Adrian Tchaikovsky