Drug offences are treated a particular way dependent on the class of the drug involved and other individual circumstances.
Possession
This is having a small amount of drugs about your person or in your house,bag or car. If you have equiptment associated with using drugs you could be arrested for posession too. sorts of equiptment you might have includes:
Supply
Supply or intent to supply is a very serious offence and even if you just take some money from a friend you could be in trouble for supply if you then purchase some drugs for them and give them to them.
Possession
7 yrs imprisonment + fine
5 yrs imprisonment + fine
2 yrs imprisonment + fine