Maven artifacts is used for versioning and dependency management. It provides dependency management and classpath isolation. All content actions and 3rd party binaries are deployed to Maven repositories as artifacts.
OO Maven Repositories are located in,
Central, under [OO_HOME]/central/var/cache
Designer, under [OO_HOME]/designer/var/cache
RAS, under [OO_HOME]/ras/var/cache/
Studio, under %HOMEPATH%/.oo/data/maven