Updated User Interface (markdown)

User-Interface.md

@@ -312,4 +312,70 @@ Note: you can change the design of the above layers so that they are not opaque,
 
 Religion, Cultures,  States, States, Temperature.
 
-These layers are drawn on the entire map, but they do not completely hide the above 3 layers, and they can work with each other without full hiding.
+These layers are drawn on the entire map, but they do not completely hide the above 3 layers, and they can work with each other without full hiding.
+
+## Presets
+
+A dropdown that displays a set of predefined layers.
+
+For example, the group of layers called "political map", contains (and toggle) the layers of the states, borders, rivers, etc.
+
+## Preset (Predefined layer groups)
+
+### Political map
+
+### Cultural map
+
+### Religions map
+
+### Provinces map
+
+### Biomes map
+
+### Heightmap
+
+### Physical map
+
+### Places of interest
+
+### Military map
+
+### Emblems
+
+### Pure landmass
+
+In this group, you can only see the ocean, the coastline, the land, the lakes on the land, and the scale bar.
+
+## Biomes
+
+This layer shows the division of the land into biomes.
+
+When this layer is on, when hovering a cell, its biome will be displayed in the tooltip. Biome is a term from the field of ecology that describes a large-scale ecosystem that is characterized by environmental conditions such as climate, the type of soil, and the flora and fauna that characterize it. For example, tropical rainforests, deserts, tundra, savannas, etc. Each of the biomes is characterized by a unique ecosystem of living species found in it naturally and in the environmental conditions that prevail there.
+
+Default biomes:
+* Tropical rainforest  
+* Tropical seasonal forest  
+* Hot desert  
+* Savanna  
+* Grassland  
+* Temperate rainforest  
+* Temperate deciduous forest  
+* Cold desert  
+* Taiga  
+* Tundra  
+* Glacier  
+* Wetland
+
+In general, the biomes are derived from the topographical map (which can be edited in tools or options), and from the temperature (which can be edited in configure world).
+
+# Layers
+
+## Icons
+
+This layer shows the icons of the burgs. When this layer is on, when hovering a burg icon, an offer to edit it will be displayed, along with its name and its population will be displayed in the tooltip.
+
+## Heightmap
+
+This layer shows the topographical map. When this layer is on, when hovering a cell, its height will be displayed in the tooltip. A topographic map describes the height (relative to sea level) of the map at the various points (cells). All secondary data (rivers, cities, countries, markers, etc.) depend on the topographical map, so it is of great importance.
+
+Each cell is associated with a height, which is a number between 0 and 100.