27:null 28:["$","title",null,{"children":"Land guzzlers - d3 starting point | Meredith B | Observable"}] 2d:Tc95,2e:T4cd,// this is the part that does the drawing. // put a whole sequence of statements inside this { } code block. { landguzzlers.selectAll(".guzzlerrects") .data(data) .join("rect") .attr("x", 9.5) .attr("y", replace_this_with_some_value_or_calculation_from_d) .attr("width", replace_this_with_some_value_or_calculation_from_d) .attr("height", replace_this_with_some_value_or_calculation_from_d) .style("propertyname", replace_this_with_some_value_or_calculation_from_d) .attr("class", "guzzlerrects"); // <- don't forget the ; at the end of the whole statement myViz.selectAll(".guzzlerrects") .data(data) .join("rect") .attr("x", 0) .attr("y", d => d["footprint"] *69) .attr("width", d => d["footprint"]*605.45) .attr("height", ...) .style("property_name", value) // this could also be from a d => d["column name"] .attr("class", "guzzlerrects") // or use other classes that you define in