1. conspicuous= obvious= very noticeable or easy to see, especially because of being unusual or different

e.g. She might have felt less conspicuous if there had been other women there too.

2. disseminate= to make something such as information or knowledge available to a lot of people

e.g. Her findings have been widely disseminated.

3. supersede= replace= if one thing supersedes another, it replaces the other thing, especially because it is more modern or more useful

e.g. Steam trains were gradually superseded by diesel engines.

e.g. The Chemical Weapons Convention supersedes all earlier agreements.

4. the mainspring of something= the most important reason or influence that makes something happen

e.g. Christian faith was the mainspring of Peter’s life.