To engage in a new action that marks a departure from what was previously done, indicating the onset of a different state or activity.

To take the first step in a process or project that has not previously been undertaken, often involving a significant undertaking such as a business venture.

To commence an action or task that is habitual or routine, often implying a return to a familiar behavior or activity.

To signal the beginning of an action by adding a suffix to a verb, indicating that the action is being initiated or is in the process of occurring.