Geogrid is a material used to reinforce either soil or material similar to soil. As cartography deals with the making of maps geogrids are not used at all in cartography.

a polymer synthetic material sheet of desired strength /thickness that could provide /strength to engineering functions of any structure like roads /embankments/pipes and other infra structure during its designed life for its proper function

Geotextiles are used to separate layers of soil/gravel/sand etc. so that different layers won't mix and thereby lose their specific abilities (e.g drainage). It's typically used when constructing roads and infrastructure where primarily the drainage capacity of the soil is important, but also for buildings and other constructions.

In comparison, geogrids are typically used to fixate a layer in a soil construction, for instance gravel, so that it will stay in place and be able to withstand higher loads. It is useful to increase the capacity and prolong the service life of especially dirt roads.

For images and an overview of some common brands of geotextiles (and additional information if you know Swedish), see:

http://www.byggros.com/sv/produkter/vag-och-anlaggning/geotextilier

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Some of the best methods for constructing a retaining wall include:

1. Selecting the right materials: Choose durable materials like concrete blocks, stone, or timber that are suitable for the wall's height and soil conditions.

2. Proper drainage: Ensure that the retaining wall has proper drainage systems to prevent water buildup. This can be achieved by installing gravel behind the wall or using drainage pipes.

3. Adequate reinforcement: Depending on the height and load of the wall, reinforcing methods such as geogrids or steel bars may be necessary. Consult an engineer to determine the appropriate reinforcement for your retaining wall.