List of name value pairs giving aspects to map to
variables. The names for x and y aspects are typically omitted because
they are so common; all other aspects must be named.
Figures
x, y
size
color
shape
opacity
adjust
tooltip
label
style
group
Info
x, y
xend, yend
content
offset_x
offset_y
html
z_index
align_x
align_y
top
color
Details
Aspects can be applied to figures and to info, note that those can be inherited in the former but not the latter.