1, each with its own characteristics. Marker: it is a special drawing color pen for writing or painting, which contains ink itself, usually with a pen cover, and usually has a hard or soft nib; Complementary color pens can be used to write marks or signs on one or more materials, such as paper, wood, metal, plastic, enamel ceramics, etc.

2. Different characteristics. Marker: the pigment of marker is volatile; Oily marker is quick-drying, waterproof and light-resistant. Repeated color superposition will not hurt the paper, which is softer. The complementary color pen can be written on a smooth surface or whiteboard, and can be wiped off with a rag.