AI glossary in Bangla
Plain-language explanations of AI words — GPU, VRAM, LLM, tokens, fine-tuning, LoRA, RAG, quantization — in Bangla and English.
How many examples the model processes together in one training step.
Computer visionUnderstanding images and video — detecting objects, counting, reading text (OCR).
Context windowHow many tokens a model can consider at once — prompt, documents and answer together.
CUDANVIDIA’s platform for running programs on its GPUs — PyTorch and TensorFlow use it under the hood.
DatasetAn organised collection of examples for training or testing a model.
Diffusion modelA model that generates images from text — Stable Diffusion, FLUX.
EmbeddingTurning the meaning of text or an image into a list of numbers, so similar things can be found.
EpochOne full pass of the model over the whole training data.
Fine-tuningTraining an existing model further on your own data so it becomes an expert at your task.
FLOPS / TFLOPSFloating-point calculations per second — a measure of GPU speed.
GPUA processor that does thousands of small calculations at once — the main engine for running and training AI.
HallucinationWhen an AI confidently states something false or made up.
InferenceUsing a trained model to do work — answering a question, generating an image.
Jupyter notebookCode, results, text and charts on one page — the standard workspace for AI.
LLM (large language model)An AI trained on huge amounts of text that answers questions, writes and translates — like ChatGPT, Llama or Qwen.
LoRAFine-tuning by training small “adapters” instead of the whole model — less memory, lower cost.
OverfittingThe model memorises its examples and does badly on new ones.
Parameter (weight)The numbers inside a model that are learned during training. “8B” means 8 billion parameters.
QLoRALoRA on top of a 4-bit compressed base model — fine-tuning with the least memory.
QuantizationStoring parameters in fewer bits to shrink a model — 4-bit needs about a quarter of the memory.
RAG (retrieval-augmented generation)Before answering, the model looks up relevant passages from your documents — your own knowledge, no training needed.
TensorA multi-dimensional table of numbers — all AI data and parameters are stored as tensors.
TokenThe small pieces an LLM splits text into. Both price and limits are measured in tokens.
TrainingAdjusting a model’s parameters with data until it learns the task.
TransformerThe design behind almost every modern language and image model — it uses “attention” to relate every part of the input.
Vector databaseStores embeddings and quickly finds the items closest in meaning.
VRAM (GPU memory)The GPU’s own memory. If a model does not fit in it, it cannot run.
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