The following are some common terms that are useful to know.
A collection of users sharing common interests or goals; community members typically share a common set of portlets and pages. For example, a community might have a wiki that is not available to users outside the community. Multiple user groups can coexist within a given community.
A user who does not have an account on a given Web Space Server site. Typically, guest users have limited ability to view or modify content on a Web Space Server site.
A scheme that defines the general layout of portlets and widgets on a portal page. As with themes, layout templates can be applied by site administrators and registered users.
A hierarchical collection of users, user groups, and communities. Multiple communities can coexist within a given organization.
Portlets are pluggable software components that are managed and displayed in a Web portal. Typically, a portal page is displayed as a collection of non-overlapping portlet windows, in which each portlet window displays one portlet. Web Space Server portlets conform to JSR286 standards.
Every individual user account in a Web Space Server site contains public pages and private pages. Pages that can be accessed by a guest user are public pages. Pages that can only be accessed by logging in to a user account are private pages.
The “look and feel” settings that are applied to a portal page. Themes can be applied sitewide by a Web Space Server site administrator or on a page-by-page basis by registered users.
A person who is registered on a Web Space Server site.
A grouping of users; members of a user group typically share common sets of access permissions.
Permissions and access rights defined for a given user; typically maps to rights within groups, communities, and organizations.
Widgets are similar to portlets, except that unlike portlets, widgets are created using a programming language other than Java, such as PHP or Ruby.