Typically, mineral oil is the regular oil that lubes your engine, but calls for frequent changing. Semi-synthetic have minute polymers inside them that minimize engine deterioration and assist protect the engine from cool harm and cold-starts. Fully-synthetic oil boosts efficiency of the engine by minimizing carbon build-up and has superb, capacity to avoid cold-starts.
There are dozens of brands out there, but the oil ranking labelled on the container, like 5W30 tells you that this sort of oil can function in both strong as well as low temperatures. The W informs you the winter season ranking as well as the 2nd number tells you the summer ranking. Totally synthetic ones are implied for winter months conditions generally.