The art of painting
The art of painting distinguishes itself clearly from the painting as a craft, for example by walls or other surfaces to be painted directly with motifs. The art of painting is operated by professional painters as a freelance art work and based on no template, and it makes use of many different possibilities and techniques. These vary depending on the surface that is painted. Extremely popular in the wet on wet technique. In this technique hineingemalt in the paint while it is still wet. Particularly suitable for this are colors, which dry more slowly.
It is achieved by fine gradients, and escapes the danger of cracking, for example, is wrong when applied glaze technique is very high. Watercolors are also often painted in this technique and thus achieve the effect characteristic for this style of painting, with the appropriate paper for watercolor but must be absorbent, but still smooth enough to distribute the pigments that have dissolved in the water, still good and also can be attached. Oil painting, on the contrary a simple but very complex painting techniques and in particular have proven oil paintings in art history aspect and proved to be very durable.
Reputation as a difficult technique was the oil painting at a time, had in which artists mix their own colors yet. For, was the ratio of pigment and oil chosen incorrectly or the wrong oil was used, it seemed that pictures dried very slowly. Nowadays, there is this problem anymore because you can buy ready-made oil paints in all colors and different qualities.
Further informations in italian language can be found here.
Additional polish infos can be found here.

