Help:Linking to terms From Online Manual
When we create pages, there are often times terms that we would like to define with definitions on other wiki pages. For instance forum or member. Please use them wisely. Remember your audience. If you're directing documentation at developer's of customizations, it only serves to complicate the documentation by having links back to "forum" on the page. So, here goes a simple rule:
Link back to terms that relate to the level of user you're documenting for.