
aufgebaut
set up
Describes the state of having been erected, constructed, or assembled.
Das neue Regal war innerhalb von 30 Minuten komplett aufgebaut.
The new shelf was completely set up within 30 minutes.
set up / structured / built up
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set up
Describes the state of having been erected, constructed, or assembled.
Das neue Regal war innerhalb von 30 Minuten komplett aufgebaut.
The new shelf was completely set up within 30 minutes.

structured
Describes the structure or organization of something, for example a text, a presentation, or a system.
Der Vortrag war logisch aufgebaut und für alle gut verständlich.
The presentation was logically structured and easy for everyone to understand.

built up
Describes the state of being emotionally or mentally strengthened and encouraged again after a difficult phase.
Nach dem tröstenden Gespräch mit seiner Freundin fühlte er sich sichtlich wieder aufgebaut.
After the comforting conversation with his girlfriend, he clearly felt built up again.
'Aufgebaut' (set up / structured / built up) is the past participle of the separable verb 'aufbauen' (to build up / to set up). It is very often used like an adjective to describe a state that is the result of building or setting something up.
Die Bühne für das Konzert ist bereits vollständig aufgebaut.
The stage for the concert is already fully set up.
In this meaning, 'aufgebaut' (set up) always refers to physical things that can be constructed or assembled. Typical objects are furniture, tents, scaffolding, or trade fair booths.
Das Zelt war schnell aufgebaut und bot Schutz vor dem Regen.
The tent was quickly set up and offered protection from the rain.
This meaning describes the organization of abstract things. You can recognize it from nouns such as 'Text' (text), 'Vortrag' (presentation), 'Argumentation' (argumentation), or 'System' (system), and adverbs such as 'logisch' (logically), 'klar' (clearly), or 'chronologisch' (chronologically).
Ihre Argumentation war sehr überzeugend und klar aufgebaut.
Her argumentation was very convincing and clearly structured.
When 'aufgebaut' (built up) describes an emotional state, it always refers to a person. It often appears in the phrase 'sich wieder aufgebaut fühlen' (to feel built up again) or is intensified by adverbs such as 'sichtlich' (visibly/clearly).
Nach dem netten Telefonat fühlte sie sich sofort wieder aufgebaut.
After the nice phone call, she immediately felt built up again.
constituted
Beschaffen describes in general what properties or condition a material has. Aufgebaut focuses more specifically on what parts it is made up of or how those parts are organized.

Das Material ist aus mehreren dünnen Schichten aufgebaut.
The material is made up of several thin layers.
Das Material ist so beschaffen, dass es weich und wasserfest ist.
The material is such that it is soft and waterproof.