[
jot] 
verb, jot⋅ted, jot⋅ting, noun | 1. | to write or mark down quickly or briefly (usually fol. by down): Jot down his license number. |
| 2. | the least part of something; a little bit: I don't care a jot. |
| 3. | not a jot or tittle, not a bit; not at all: The world situation matters not a jot or tittle to him. |