Tablo estetik açıdan etkileyici.

• Tablo: “painting” or “picture”
• estetik: “aesthetic,” a loanword from Greek via French
• açıdan: “from the aspect of,” formed by açıs (angle, aspect) + -tan/-ten ablative ending
• etkileyici: “impressive,” from the verb etkile- (“to affect, to impress”) + verbal noun/adjective suffix -yici

In Turkish, to say “in terms of” or “from the point of view of,” you use the ablative case. So estetik açıdan literally means “from the aesthetic aspect.” The -dan ending marks that ablative meaning (“from”).

Turkish typically follows Subject–Object–Verb (SOV), but this sentence is Subject–Adverbial–Predicate-Adjective:

1. Tablo (Subject)
2. estetik açıdan (Adverbial phrase)
3. etkileyici (Predicate adjective)—no separate copula is needed in the present tense.

Insert değil after the adjective or adjective phrase:
“Tablo estetik açıdan etkileyici değil.”
This means “The painting is not impressive aesthetically.”

Add the question particle mi (agreeing in vowel harmony) after the adjective:
“Tablo estetik açıdan etkileyici mi?”
You can even add a rising intonation: “Tablo estetik açıdan etkileyici mi?”

Yes. Turkish word order is fairly flexible. You could say:

• “Estetik açıdan tablo etkileyici.”
• “Etkileyici tablo, estetik açıdan.”
  However, the original order (Tablo estetik açıdan etkileyici) is the most natural for stating a quality.

Yes. You might say:

• görsel açıdan (“visually”)
• sanatsal açıdan (“artistically”)
  Each shifts the nuance slightly: “Visually, the painting is impressive” vs. “Artistically, the painting is impressive.”