PMEST: are the facets 

Personality, Methodical, Energetic, Spatial , Temporal are the five facets 

Facet analysis are sequenced in  reverse order: TSEMP

Temporal, Spatial, Energetic, Methodical, Personality Sequenced facets 

Each facet sequence can be attached with Isolates 

Terminology in each of the above in each subject facets & isolates are standardised

Each term in the facet sequence are coded with notation based on principles of Classification 

Each facet with faceted & isolated notation have an indicator digit

Each digit indicates what facet follows

Class Index can be derived by removing each digit in succession from the facet sequence TSEMP automatically by Chain Indexing