The terms stem from historical usage rather than geological difference, so there is no strict dividing line between the two.
This term stems from the brand's typical consumer demographic - the traditional, Southern working man - after which their website is named.
The term stems from Boyle's argument that those who seek to protect the public domain are working towards a similar ends as environmentalists.
The term stems from the act of editing written copy with a blue pencil.
The term stems from pre-war planning, called the color plans because each naton included was given a color code name.
The term stems from the resemblance to pantograph devices for copying writing and drawings.
The term stems from the financial concept of a debenture.
For example he implies that common terms such as witch, familiar, and magic actually stem from alien words.
It is important to note that these terms stem from European History.
The terms stem, stalks and shoots are sometimes used interchangeably but viticulturalists generally make some differentiation.