12 words that i dont understand

1.-jab:
the act of touching someone suddenly with your finger or elbow; "she gave me a sharp dig in the ribs"

2.-twitter:
a series of chirps

3.-billboard, hoarding:
large outdoor signboard

4.-length:
a section of something that is long and narrow; "a length of timber"; "a length of tubing

5.-brand:
a cutting or thrusting weapon with a long blade

6.-headline:
the heading or caption of a newspaper article

7.-advertising:
the business of drawing public attention to goods and services

8.-mentioning:
an official recognition of merit; "although he didn't win the prize he did get special mention"

9.-measure:
how much there is of something that you can quantify

10.- budget
a summary of intended expenditures along with proposals for how to meet them; "the president submitted the annual budget to Congress"