Question Summary:
i have decieded to bring this marriage to an end. i am therefore giving one RAJ i TALAQ

Question Detail:

please explain me what is the meaning of
i have decieded to bring this marriage to an end. i am therefore giving one RAJ i TALAQ

Answer :

In the name of Allah, Most Gracious, Most Merciful
Assalaamu `alaykum waRahmatullahi Wabarakatuh
If a person says:
”I have decided to bring this marriage to an end. I am therefore giving one Raj’i talaq”
Then one revocable divorce will take place. That means the couple can reconcile during the iddat period without having to renew the nikah. 
Hashiya Ibn Abdin 3247
And Allah knows best
Wassalam u Alaikum
Ml. Ishaq E. Moosa,
Student Darul Iftaa
Checked and Approved by:
Mufti Ebrahim Desai
Darul Iftaa, Madrassah In'aamiyyah