S=stay safe, but f someone asks you for details you say no and tell a parent.and people can save pictures.
M=don't meet up, if someone contacts you saying meet up, what do you say? NO! And show an adult.
A=accepting files, only accept people who you know and definitely not strangers.
R=reliable,you have to be reliable on any social media. Don't be silly otherwise you will get into trouble. And make sure all the information is true what your reading.
T=tell someone, you tell someone if people harass you online or message you. Tell an ADULT or POLICE!