Ebene — meaning in English

English meaning

flat adj Level and even, with no slope, bumps, or curves.
layer noun A single thickness of material covering a surface, or one level in a stack of such materials.
level adj Flat and even; at the same height throughout, or matching a given height.
plain adj Simple and without decoration or extra features.
plane noun An aircraft; an airplane.
tier noun One of a series of levels or rows, especially arranged one above another.

Ebene is used for these senses in English:

flat An area of level ground (sometimes covered with shallow or tidal water).
layer (computer graphics, by analogy to a stack of transparencies) One in a stack of (initially transparent) drawing surfaces that comprise an image; used to keep elements of an image separate so that they can be modified independently from one another.
level A distance relative to a given reference elevation.
level Degree or amount.
plain An expanse of land with relatively low relief and few trees, especially a grassy expanse.
plane Of a surface: flat or level.
tier A row or range, especially one at a higher or lower level than another.

adj Level and even, with no slope, bumps, or curves.
adj Unchanging or without variation, especially in sales, tone, or energy.
adj Of a tire, deflated, usually because of a puncture.
adj Of a drink, having lost its fizz.
adj In music, lower in pitch than the correct note, or (of a written note) lowered by a semitone.

noun A single thickness of material covering a surface, or one level in a stack of such materials.
noun A hen kept specifically for producing eggs.
verb To arrange something in layers.