Spatially	przestrzennie
Obscure	przesłaniać
Recede	wygasać, słabnąć
Perpendicular	pionowy/prostopadły
Converge	zbiegać się
Convergence	a situation in which two lines etc. move towards each other and meet at a point
Plot	to make marks to show the position, movement or development of something
Plane	surface
Relative	being judged or measured in comparison with something else
Determine	to discover
Estimate	to guess the cost, size, value etc. of sth
Decrease	to become less
Representation	the way that someone or sth is shown or described
In/with relation to	in connection with
Volume	the amount of space that is contained within an object or solid shape
Develop	to grow