Combining Diacritical Marks for Symbols

Block from U+20D0 to U+20FF. This block was introduced in Unicode version 1.1 (1993). It contains 33 codepoints.

The Wikipedia provides the following information on block Combining Diacritical Marks for Symbols:

Combining Diacritical Marks for Symbols is a Unicode block containing arrows, dots, enclosures, and overlays for modifying symbol characters.

Chart at Unicode.org (PDF)
Block at Decode Unicode

1. Combining Left Harpoon Above
2. Combining Right Harpoon Above
3. Combining Long Vertical Line Overlay
4. Combining Short Vertical Line Overlay
5. Combining Anticlockwise Arrow Above
6. Combining Clockwise Arrow Above
7. Combining Left Arrow Above
8. Combining Right Arrow Above
9. Combining Ring Overlay
10. Combining Clockwise Ring Overlay
11. Combining Anticlockwise Ring Overlay
12. Combining Three Dots Above
13. Combining Four Dots Above
14. Combining Enclosing Circle
15. Combining Enclosing Square
16. Combining Enclosing Diamond
17. Combining Enclosing Circle Backslash
18. Combining Left Right Arrow Above
19. Combining Enclosing Screen
20. Combining Enclosing Keycap
21. Combining Enclosing Upward Pointing Triangle
22. Combining Reverse Solidus Overlay
23. Combining Double Vertical Stroke Overlay
24. Combining Annuity Symbol
25. Combining Triple Underdot
26. Combining Wide Bridge Above
27. Combining Leftwards Arrow Overlay
28. Combining Long Double Solidus Overlay
29. Combining Rightwards Harpoon with Barb Downwards
30. Combining Leftwards Harpoon with Barb Downwards
31. Combining Left Arrow Below
32. Combining Right Arrow Below
33. Combining Asterisk Above
34. U+20F1
35. U+20F2
36. U+20F3
37. U+20F4
38. U+20F5
39. U+20F6
40. U+20F7
41. U+20F8
42. U+20F9
43. U+20FA
44. U+20FB
45. U+20FC
46. U+20FD
47. U+20FE
48. U+20FF