zentao/extension/ipd/project/ext/lang/en/ipd.php

<?php
$lang->project->category      = 'Type';
$lang->project->manageRoadmap = 'Roadmap';

$lang->project->categoryList['IPD'] = 'Integrated Product Development';
$lang->project->categoryList['TPD'] = 'Technology Planning and Development';
$lang->project->categoryList['CBB'] = 'Common Building Block';
$lang->project->categoryList['CPD'] = 'Customer Product Development';

$lang->project->manageProductRoadmap = 'Manage Product And Roadmap';
$lang->project->linkStoryToProject   = 'Link the requirements in the roadmap to the project';

$lang->project->error->emptyRoadmap = 'Roadmap can not be empty!';