The difference between Concept and Construct

When used as nouns, concept means abstract and general idea, whereas construct means something constructed from parts.

Construct is also verb with the meaning: to build or form (something) by assembling parts.

check bellow for the other definitions of Concept and Construct

Concept as a noun:

abstract and general idea; an abstraction
Concept as a noun:

understanding retained in the mind, from experience, reasoning and/or imagination; a generalization (generic, basic form), or abstraction (mental impression), of a particular set of instances or occurrences (specific, though different, recorded manifestations of the concept).
Concept as a noun (programming):

In generic programming, a description of supported operations on a type, including their syntax and semantics.

Construct as a noun:

Something constructed from parts.

Examples:

"The artwork was a construct of wire and tubes."

"Loops and conditional statements are constructs in computer programming."
Construct as a noun:

A concept or model.

Examples:

"Bohr's theoretical construct of the atom was soon superseded by quantum mechanics."
Construct as a noun:

(genetics) A segment of nucleic acid, created artificially, for transplantation into a target cell or tissue.

Construct as a verb (transitive):

To build or form (something) by assembling parts.

Examples:

"We constructed the radio from spares."
Construct as a verb (transitive):

To build (a sentence, an argument, etc.) by arranging words or ideas.

Examples:

"A sentence may be constructed with a subject, verb and object."
Construct as a verb (transitive, geometry):

To draw (a geometric figure) by following precise specifications and using geometric tools and techniques.

Examples:

"Construct a circle that touches each vertex of the given triangle."