Which acting technique involves recalling words said by others about a character?

The technique of recalling words said by others about a character is best encompassed by the concept of "voices in the head." This acting approach involves the actor mentally accessing and internalizing insights, opinions, and reflections articulated by other characters regarding their character. This can help an actor understand their character more deeply, as it allows them to explore how they are perceived by others, adding layers to their performance.

"Voices in the head" enables actors to create a richer portrayal by integrating external viewpoints, which can influence their emotional responses and choices in a scene. This technique assists actors in embodying their characters authentically, drawing from the dynamics that influence interpersonal relationships within the narrative. It can be especially useful in creating a nuanced and multidimensional character portrayal.

The other options do not specifically address the technique of using external perceptions about a character in this manner, which sets the correct choice apart as the most relevant answer.