اقتران(The mapping of a file extension (for example, .mp3) or protocol (for example, http) to a programmatic identifier (ProgID). This mapping is stored in the registry as a per-user setting with a per-computer fallback. Applications that participate in the Default Programs system set the association mapping for the file extension or protocol to point to the ProgID keys that they own)
association A body of persons associated for the regulation of a common economic activity by means of a special organization[əˌsəʊsiˈeɪʃən, əˌsəʊʃiˈeɪʃən]імен.
