redirect from one url to another htaccess

Options +FollowSymLinks
RewriteEngine On
RewriteBase /
RewriteCond %{HTTP_HOST} ^OLDDOMAIN\.com$ [NC]
RewriteRule ^(.*)$ http://NEWDOMAIN.com [R=301,L]

RewriteEngine On
RewriteRule ^(.*)$ http://newdomain.com/ [R=301]

# Redirect old file path to new file path
Redirect /olddirectory/oldfile.html http://example.com/newdirectory/newfile.html

RewriteEngine On
Redirect 301 http://www.domain-name.com/download/?page=download http://www.domain-name.com/download/show

Redirect /download/?page=download http://www.domain-name.com/download/show