Namaste!
Money has a different meaning, to different kind of humans.
For normal human beings: a commodity for survival (means to buy food, shelter, clothing, cure to deceases, etc.).
For ambitious human beings: money is a commodity to fulfill ambitions, goals, desires, desire to be great, desire to stand aside in a socio-economic status, etc.
For human beings who study finance, economics: it is a "medium of exchange", key aspect of modern day economy, a motivation to move a human being or his thoughts from point A to point B, etc.
For human beings who study philosophy:
a pursuit of happiness, a drug which sometimes tricks the mind to achieve unnecessary ambitions by any means possible, etc.
For human beings who study computer science and data: it is a number made by binary codes (0,1), which can be printed by respective authorities with the use of computers, a journey towards infinity with the addition of each digit on the right side, etc.
For human beings who don't have friends and family: a patch to fix loneliness in life, a purpose to live, a replacement to actual human beings with the help of mobile phones, gadgets, other material things, etc.
For human beings in scarcity of money: a first desire to be met, with a lot of desires waiting once it is met, a commodity worth doing hustle today, to achieve fruits in future, a commodity to provide relief to parents who worked very hard for it, to raise us, etc.
For human beings in abundance of money: a treasure to guard and protect from intangible (inflation) and tangible (competitor human beings), a responsibility and commitment, so that it does not file divorce papers :), etc.
For human beings like saints: an illusion of value, a sin if used against any animal including humans, a boon if used for the good of every animal, etc.
For mother nature: a non-living tangible form like other forms of matter, or just an intangible electrical signal which flips 0 to 1 or 1 to 0, etc.
For all animals except human beings: a paper which I cannot eat with a photo I cannot recognize, a bank balance I cannot check because I don't know how to use a computer, a commodity which could result in my killing for consumption, etc.
Money is a vague term only limited to perception and understanding.