bezogen
covered
Provided with a cover. Usually used for beds (with bed linen) or upholstered furniture (with fabric).
Das Bett ist frisch bezogen, du kannst dich hinlegen.
The bed is freshly covered; you can lie down.

covered / related
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covered
Provided with a cover. Usually used for beds (with bed linen) or upholstered furniture (with fabric).
Das Bett ist frisch bezogen, du kannst dich hinlegen.
The bed is freshly covered; you can lie down.

'Bezogen' (covered/related) is the past participle of the verb 'beziehen' (to cover / to refer to / to obtain). All meanings of the adjective derive from the different meanings of this verb, e.g. 'ein Bett beziehen' (to make a bed / put fresh linens on a bed) or 'sich auf etwas beziehen' (to refer to something).
Ich habe deine Frage auf den letzten Punkt bezogen.
I related your question to the last point.
You can easily recognize the meaning from the subject or the preposition. If 'bezogen' (overcast) appears with 'Himmel' (sky), it means cloudy. If it appears with 'Bett' (bed), it means provided with bed linen. If the preposition 'auf' (to/on) follows, it means 'referring to'.
Der Himmel war heute Morgen komplett bezogen.
The sky was completely overcast this morning.
In the meaning 'referring to something', 'bezogen' (related) is always used with the preposition 'auf' and the accusative. The structure is: 'auf etwas/jemanden bezogen sein' (to be related to something/someone).
Die Übung ist auf das erste Kapitel im Buch bezogen.
The exercise is related to the first chapter in the book.
In the meaning 'provided with a cover', 'bezogen' (covered) is used almost exclusively for 'das Bett' (bed) or for upholstered furniture such as 'das Sofa' (sofa) or 'der Sessel' (armchair).
Die Stühle im Esszimmer sind alle neu bezogen.
The chairs in the dining room have all been newly covered.
independent
'unabhängig' and 'bezogen' form a contrast when it comes to a connection to something. 'unabhängig' then means that something does not depend on a particular thing or is considered without that connection. 'auf etwas bezogen' means that a statement, rule, or number is directly connected with a particular thing. If something applies generally, you are more likely to say 'unabhängig von' (regardless of). If something applies only to a specific topic or person, 'auf ... bezogen' (related to ...) fits better.

Ist diese Information auf den Kurs am Montag bezogen?
Is this information related to the course on Monday?
Die Regel gilt unabhängig vom Alter der Teilnehmer.
The rule applies regardless of the participants' age.