Font Font size Font format (e.g. subscripts) Font family Combine plots Helpful packages: Colours 3D rendering Rough plots It will be useful to consult Rmarkdown notes because I often use Rmarkdown to render ggplot.
Font Font size Global adjustment (e.g. the default font size is small when rendering with Rmarkdown with ) theme’s basic size
See individual adjustment here and also in this RStudio2021 conference talk and this