According to the TOGAF Business Capabilities Guide V2, a business capability is defined as "the expression or the articulation of the capacity, materials, and expertise an organization needs in order to perform core functions"5. A business capability can be decomposed into four elements: roles, information, processes, and technology5. In the given example, A represents roles and C represents information.
In the context provided in the image, 'A' refers to the roles involved in the recruitment management process, which in this case is the 'User: Recruiter' and the 'Stakeholders: Manager, Candidate Employee'. 'C' refers to the information or data aspects of the process, which includes 'Candidate/Applicant Details', 'Position Descriptions', 'Recruitment Agency Data', and 'Industry Standard Role Definitions'. Thus, 'A' corresponds to
'Roles' and 'C' to 'Information'.
https://pubs.opengroup.org/pocket-guides/togaf-pocket-guide/main/chap04.html