These are patterns made according to your measurements, which are used for tailoring dresses or blouses according to the figure.
In this case, there are no shaped elements.
In other words, to sew a "little black dress" it is enough to choose a base that suits your figure.
You can consider the basics in the category "Basics" on that website.
More about the selection of foundations is written in the book "We cut and sew on any figure"and also in the book "Cutting and sewing. Universal patterns ...".
Unlike shaped patterns (cf. "Patterns"), drawings of the bases come without sleeves and collars.
The only exception is for jacket basics - they come with an English type collar, but also without sleeves.