Actually :
-An actual fact ... Ex. Actually, no one see the truck was coming so fast ...
-In the present moment ... Ex. Actually I'm working with different banks ...
-You can use it too when you are surprised about something that happened ... Ex. Michael actually played the guitar !
-If you want to highlight or make the sentence a little more intense ... Ex. This is not a good game, actually...
Obvioulsy:
- In an evident way... Ex. Their behavior was not good, obviosuly mom was really upset.