Layouts: are prefixed according to their use within the solution. Prefixes, of which there can be multiple levels, are delimited by a single colon. Suggested approach is to use the "base table" name as the initial prefix.
People: Customer List
People: Customer Search
People: Customer Detail
Events: Utility: Copy All Records
Layout objects: are prefixed by their corresponding reserved name and use a dot separator. The dot identifies them as layout objects within calculation code. The number of levels used is currently arbitrary based on the solution.