Why do you take call notes or recordings?

Like in the case of quantitative data, call recordings + notes themselves have limited value (usually as a record of what happened). Typically we use them for something else, like: (1) Aligning stakeholders (2) Tracking progress (3) Surfacing insights + analyzing them (4) Sharing findings with teammates Curious to know - why and how do you save call data (recordings, transcripts, written takeaways, etc.)? What do you do with them after a call?