unwelcome or harmful matter. Some things difficult to deal with or causes troubles.

place or type of surroundings where something is positioned or where event takes place. To become hard (of glue, concrete etc.).

To make a copy of an original e.g. DVD.

pressed firmly together. To affect someone or something greatly.

engaging in speech. action of talking. To say things or ideas to someone with words.

verbal written or recorded communication. To communicate using text.

Place from which there is a clear view of an area.

of great significance or value.

accomplishment of aim or purpose.

in most cases.

Occurring immediately. precise moment of time.

continuing or valid to final destination. From the beginning of something until the end. Over, in, across an entire thing or place.

systematic investigation into and study of materials and sources. To study in order to discover new ideas and facts.

biological community of interacting organisms and their physical environment.

fixed or movable upright partition used to divide room, give shelter from draughts, heat, or light. Flat surfaces on computers or TVs showing images. conceal, protect, or shelter person or thing with screen.