Today's word is DOGMA

Dogma is the established belief or doctrine held by a religion, or by extension by some other group or organization. It is authoritative and not to be disputed, doubted, or diverged from, by the practitioner or believers.

Arsenal have an established belief or doctrine held by the manager and by extension by the board of directors and staff. Wenger’s views are considered infallible and are not to be disputed, doubted, or diverged from, by the players or the supporters.