High-up and Page-one

High-up noun - An important or influential (and often overbearing) person.

Page-one and high-up are semantically related in eminent topic. In some cases you can use "Page-one" instead an adjective phrase "High-up".

High-up and page-one are semantically related in eminent topic. You can use "High-up" instead an adjective phrase "Page-one".