Law terms meaning

Dear sir/madam,

I hear some terms related to Law about which I don't have any concept. I just want to get a clear concept about that just out of curisity. If anybody illustrate these terms with example, I will be grateful.
The terms are-
Notary, Suits, Petition, Writ Petition, Single Bench, Division Bench, Magistrate, Appelant.

Thanks in advance

Please search in GOOGLE... You will get detailed  information

see the CPC Book and CRPC book Definition 

Notary means A person authorised by a state to administer oaths, certify documents, attest to the authenticity ofsignatures and perform official acts, in commercial matters, such as prtesting negotiable instruments.Suits means a person who wants justice from a court has to file a suit before the competent court. 

Petition means a request that we ask from the court and which we plead from the court,

Writ Petition can be taken from supreme court or high court incase where our rights have been infringed,

Single Bench is where a single judge hear your pleadings,

Division Bench more then one judge hear you,

Magistrate is a judge,

Appelant is the one who files an appeal.