The segment denotes the year of release.
: This refers to Advanced Audio Coding , the standard audio format used for the file, which provides high-quality sound at lower bitrates. El sexo me da risa 4 -2015- WEB DL 1080p AAC
: Refers to a "Web Download," which is a high-quality video file losslessly ripped directly from streaming services like Netflix, Amazon Prime, or iTunes. The segment denotes the year of release