“Play sadness” gives an actor a result to display. “Convince my brother not to leave” gives the actor something to pursue. Screen acting is built through behaviour in circumstances, not simply presenting an emotional label.
An objective points outward
A scene objective describes what the character wants to achieve, often in relation to another character. It influences what the actor notices, says, and adjusts when an attempt fails.
Emotion can emerge from the struggle
A character may feel hurt while trying to make someone stay, or afraid while appearing in control. If the actor concentrates on action and circumstances, emotion may emerge more specifically than when it is forced as a separate task.
Choose a playable verb
Persuade, protect, challenge, reassure, distract, and expose can suggest actions. “Be interesting” is vague; “make her trust me” is clearer. The choice must fit the script and situation.
Obstacles make the scene move
If the first tactic succeeds immediately, the scene may end. Obstacles create a need to adapt. Listen for resistance, conflicting goals, or new information, and allow those to shape the next tactic.
Try it in your next rehearsal
Choose a short scene and write one objective beginning with an action verb. Play it once with reassurance and once with direct challenge. Keep the objective, change the tactic, and note which attempt makes the other person’s behaviour matter most.