What is the meaning of 陸?

flat, not steep

straightforward, uncomplicated, straight, correct

correct, right, complete, sufficient, satisfactory, proper

peaceful, tranquil, serene

even-tempered, easygoing, relaxed

flatness

straightforwardness, uncomplicatedness, straightness, correctness

correctness, rightness, completeness, sufficientness, satisfactoriness, properness

peacefulness, tranquility, serenity

an even temper, easygoingness, relaxedness

the number six, 6

land

the land, the land portion of an area, as opposed to seas, rivers, lakes, swamps, etc.

an overland route, as opposed to an oversea route

a surname

Source: wiktionary.org