Water is the most abundant molecule in the human body. what does "most abundant" mean?

Water is the most abundant molecule in the human body. "Most abundant" in the sentence means that water is fully sufficient and found in great quantity in the human body when compared to other molecules. Water is the main component of the human body, accounting for 70% or more of total cell mass and it is distributed throughout the body (in every organ, inside and between cells).

To wear the full equipment.