It is a command issued when the petitioner request. In it the court asks its subordinate court, government, public body etc where they are obliged to do it under certain statutes.
Bias is a term which goes appropriately with the legal language and is known to everyone belonging to a legal background.
Competent refers to the skills and characteristics that enable you to perform a job. If someone can perform a required task at a targeted level of proficiency, they are competent.
For a title to be valid, that title should be freed from defects.