front meaning in Bangla — সামনের দিক, সম্মুখ

Meaning

The part of something that faces forward or is seen first.

Antonyms: back

facade
সম্মুখভাগ, ভবনের বাইরের মুখ
The front face of a building, especially a large or decorative one.
frontline
রণাঙ্গন, সম্মুখসারি
The area where opposing armies are closest and fighting is heaviest.

back
পিঠ, পেছনের দিক, পিছন
The rear part of the body, from the neck down to the waist.
behind
পেছনে, পিছনে
At or towards the back of someone or something.
rear
পেছনের অংশ; লালন-পালন করা
The back part of something, or to bring up children or animals.

The preposition belongs to the word standing in front of it, not to the meaning of the sentence, which is why you cannot work it out and have to learn the pair whole.
Appropriate Prepositions in English →
V2 stands alone in a sentence; V3 never does — it always needs have, has, had or a form of be in front of it.
Irregular Verbs in English (V1, V2, V3) →
With nothing in front of it, it has nothing to reflect.
Reflexive Pronouns: myself, yourself, himself →