Get used to reading ø (half-diminished) as -7b5. It takes up less room, on crowded charts.
To delay sounding a chord requires a slash “/“ in the 1st space. Without it, that’s where that delayed chord will play. Bar Repeat Signs, Slash, N-C- - Example - Example
Single bar repeats are entered in space2 so they’ll be centered in the measure.
Double bar repeat signs used for demonstration.