What does it mean to synthesize information when analyzing an artwork?

a$)$ Combining similarities and differences about the artwork from different published resources.

b$)$ Summarize the textbook and articles I've read.

c$)$ Putting together my ideas and findings, backed up by multiple sources, in order to argue an overall point about the meaning and$/$or importance of the artwork.

d$)$ Assemble quotes from multiple sources that explains what the artwork is