Here is the content breakdown for (Audiovisual), which is a series of educational video-based resources for Spanish language learning (often used with Español en Marcha or similar Santillana courses).
Since you asked for "content," I am providing the found in these AV units. 1. Core Series: Español en Marcha (A1-B2) – AV Components The AV content usually accompanies each unit of the textbook. Each video is 2–4 minutes long. santillana av