A central cohesive source of stability and security; a person or thing that is critical to a system or organisation.
A pin inserted through holes at the end of an axle or shaft, so as to secure a wheel or shaft-mounted device.
To adopt as, or serve as, a central cohesive source of stability and security.
A motif.
A motif; a theme or subject, especially one that is central to the work or often repeated.
An incentive to act in a particular way; a reason or emotion that makes one want to do something; anything that prompts a choice of action.
Something which causes someone to want to commit a crime; a reason for criminal behaviour.
Relating to motion and/or to its cause
Causing motion; having power to move, or tending to move
To prompt or incite by a motive or motives; to move.