The first type is called the Point light source. This light source is basically a point in the model space that emits light in all directions. You can use this type for general lighting conditions.
The Point light tool button can be found in the Lights panel under the Visualize tab in the 3D Basics workspace, as shown in the following screenshot. An alternative method is to type the command name POINTLIGHT (or just type POI) then press Enter:
If you are using the 3D Modeling workspace, you can find the Point light tool button in the Lights ...