Welcome to Steemit, abidhasanrasel! I wish you the best journey here in this culturally diversified yet mostly unified community :) Be happy!
By the way, there are several groups you as a newcomer can join. They will stay with you for your journey, helping and mentoring along the way.
@greetersguild invite link https://discord.gg/AkzNSKx
@newbieresteemday invite link https://discord.gg/2ZcAxsU