Good question.
1 is freshly made paans that Srinathji likes to chew.
2 is bantaji filled with some sweets/snacks for Srinathji if He feels hungry
3 is jhariji filled with jamuna-jal with wet red cloth to quench thirst of Srinathji.This represents Mother Yasoda also.
4 and 5 do not appear in all images like one enclosed. They probably are framed well-known local miniature paintings on Krishna-leela
7 is a govardhana-shila worshipped as Sri Krishna (these shilas are worshipped as Giridhari--this I know personally.)
The garland of lotus flowers is symbolic of the love of Sri Radhika by the way.
And, 6, (what you have identified as flute) seems to me a stick that Sri Krishna kept as cowherd.
His lotus shaped eyes are known to be symbolic of the Kamdeva's bow. His U-shaped Tilaka on His forehead is an impression of Sri Radha's foot.
His left hand is symbolic of holding the govardhana mountain in govardhana-dharana-leela.
I remember seeing an engraved snake on His body, which normally remains covered by His garments.
Thanks.
Reference :1. https://www.pushti-marg.net/svaroup-additional.htm
2. https://www.sahapedia.org/nathdwara-paintings-shrinathji-cult-haveli-traditions-and-bazaars