The phrase references the desire to acquire digital audio or video files related to the musical artist Cardi B through online download. Specifically, it indicates an interest in obtaining a video file in the MP4 format or an audio file in the MP3 format featuring her content. An example would be a user searching for a music video by Cardi B to save for offline viewing (MP4) or the audio track of one of her songs to listen to on a portable device (MP3).
The popularity of this search term underscores several trends in media consumption. First, it reflects the artist’s broad appeal and the demand for her content. Second, it highlights the continued desire for users to own and control their media files, even in an age of streaming services. Historically, downloading music and videos was the primary means of accessing digital media; while streaming has become dominant, the need to possess permanent copies for offline use or archiving persists.