E.10:8.10 - LEX-QA-1 - Using terms with the -ility and -ilities suffixes

Rule. Tokens ending with -ility or -ilities or widely used quality names (Availability, Reliability, Security, Safety, Scalability, Maintainability, Usability, …) are Quality‑Family labels, not automatically CHR Characteristics.

Authoring choice:

• Keep ordinary praise or quoted wording ordinary when it carries no FPF-governed claim; use C.16.Q if the evaluative meaning remains hidden.
• Use one named U.Characteristic and its declared CSLC Scale when that one measure carries the engineering quality claim.
• Use C.25 Q-Bundle-shaped claim content only when several differently typed contributors jointly determine the claim or receiving action. Include only the load-bearing measures, scopes, windows, mechanisms, statuses and evidence.

Rationale. Scope is set-valued (USM) and not a CHR measurement. Q-Bundle mechanism and status fields carry mechanism references, control presences, certification states, or other status values admitted by their specific patterns; they are not generic governance records or measurements. Claim scope, work scope, CHR measures, qualification window, mechanisms, status values, and evidence keep their own kinds even when one Q-Bundle authoring structure coordinates them. (A.2.6 § 6.2; A.6.1; C.16, A.18, and C.25).