Texture because we can see texture and feel different kinds of texture
How an audience reacts to a film or performance all depends on how well it was produced, and the quality of the actors involved. When it comes down to it, the overall quality of any performance is dependant on how well the performers act, how they set the tone, their use of emotions, their gestures, etc. Every single small detail help play a part in the making of any act. And if the actors fail to fulfil their duties as performers, then the whole show will be ruined, and the audience will either be un impressed, or non existent.
The answer to this question is entasis.
Entasis is a design principle in architecture where in a convex curve was applied to a surface which also serves a strength to the construction and it also gives an optical illusion to it. Egyptian pyramids use this design principle.