Formal:
* চিত্র (chitra) - This is the most common and formal word for "picture".
Informal:
* ছবি (chobi) - This is a more informal and everyday word for "picture".
Other options:
* ফটোগ্রাফ (photograaph) - This is a more specific word for a photograph.
* ভিডিও (video) - This word refers to a moving picture or video.
The best word to use depends on the situation and the level of formality.