The English word [[ https://www.lexico.com/definition/outpost | outpost ]] describes the army camp more than anything else in 0 A.D. For 0 A.D.'s “outpost”, the correct term is [[ https://www.lexico.com/definition/lookout | lookout ]]. This patch renames the relevant files and corrects the occurrences in the public folder, except the art files (and the l10n files, obviously).