The images and captions have the functions of embellishing, facilitating or elucidating the text with which they appear. Both images and subtitles have representative, descriptive, narrative, symbolic, expressive, aesthetic, playful, conative, metalinguistic, phatic and punctuation functions.
Explanation:
Images and captions help to understand the main idea of a text through the representative function when it imitates the appearance of the being to which it refers; descriptive function, when detailing this appearance; narrative function, when it places the being represented in becoming, through transformations (in the state of the represented being) or actions (by him realized); symbolic function, when it suggests meanings superimposed on its referent, even if arbitrarily, as is the case with national flags; expressive function, when it reveals feelings and values of the producer of the image, as well as when it emphasizes the emotions and feelings of being represented; aesthetic function, when it emphasizes the form of the visual message, that is, its visual configuration; recreational function, when oriented to the game, including humor as a game modality; conative function, when directed to the recipient, aiming to influence their behavior, through persuasive or normative procedures; metalinguistic function, when the referent of the image is the visual language or directly related to it, such as citing images etc .; phatic function, when the image emphasizes the role of its own support; punctuation function, when oriented to the text with which it is inserted, signaling its beginning, its end or its parts, in it creating pauses or highlighting some of its elements.
