# Index for Customization Overview

> ##

> A - B - C - E - F - H - I - J - L - N - P - S - U

> A

> activity spaces

> B

> branding

> C

> custom activity spaces

> E

> Experience Definitions

> F

> footers

> H

> headers

> I

> internationalization

> J

> Javascript, adding language files

> L

> localization

> N

> navigation, about

> P

> PEIs. See pluggable event interfaces (PEIs)

> pluggable event interfaces (PEIs)

> S

> Style Sheet Mills

> about

> U

> user interface

> customizing 1 2