Depending on context, they are both fine. The only difference is the tense.
It was a great idea.
It is a great idea.
Which one is the correct and why, I’m trying to enhance my writing.
Thank you all : )
Please if you remark anything about my writing let me know.
Depending on context, they are both fine. The only difference is the tense.
Remember - correct capitalisation, punctuation and spacing make posts much easier to read.
Welcome to Using English, truelove.ksa.
A better thread title would have been 'It was/is a great idea'.
Please read the Posting Guidelines, especially this one:
Thread titles should include all or part of the word/phrase being discussed. (Avoid phrases like "HELP!", "Urgent!", "translation please", "how do I say this", "I'm new" and similar expressions.)
Rover
It was a great idea. (Two years ago)
It is a great idea. (Now/Always)