DNA contains the information to make proteins, which carry out all the functions and characteristics of living organisms. DNA carries all of the information for your physical characteristics, which are essentially determined by proteins. So, DNA contains the instructions for making a protein.
My friends convinced me to buy a jacket I wanted because I am very skeptical with spending money. They could tell I really wanted it but I couldn’t convince myself to get it with my intense urge to save money. They made me get it and talked me through it because they knew I was gonna regret it if I didn’t. They directly influenced me because they weren’t trying to be subtle about it