i mean yeah some can be vague but most arent we know a lot of their inspirations and influence because theyve told us in other contents or even on live stream. rm goes live after every album release to talk about song creation, lyric writing, influences etc but even without that theres majority of the time clues to figure out the overall picture. rms lyrics in this song all told army he was talking about us you got it but second guessed because you didnt know the references he was talking about like bon voyage is their tv show where they travel, tweets they used to use twitter A LOT theyre the reason kpop groups have twitter today, v app was vlive a live stream website that now turned into weverse, video clips and pictures bts literally have so many photoshoots and video clips on youtube, twitter, facebook, instagram, tik tok, weverse, different content on each one also the Japanese site and Chinese site i forget what theyre called but they have special contents for those audiences as well and anyone who isnt Chinese or Japanese can not access this content as both countries are strict on copyright so theres even more out there we'll never see.