Much depends on what you mean by 'some drawings'. If the drawings are just a few illustrations then one of the simple drawing tools like Word Draw will be easier to learn and use. But If your drawings are dimensioned or have any level of complexity then a proper 2D tool will be more appropriate. There are lots of these. Most seem to do a reasonable job on the basics but be aware that the simpler tools make it hard to do advanced drawing. Trouble is the more capable the tool, the steeper the learning curve.
On Linux, QCAD is my tool of choice for 2D. Also runs on Windows. I'm impressed by Fusion360 which I mostly find intuitive. (Not always!) It uses an entirely different drawing technique: you 'make' a 3D object, and ask Fusion to draw the equivalent 2D plans. Very powerful, the downside being that a good draughtsman might be frustrated by having little control over the look and style of the resulting drawing.
Dave
Edited By SillyOldDuffer on 15/08/2017 09:26:00