ESSIEN ALIAS BAIDU v. ANGU II AND ANOTHER Practice and procedure—Pleadings—Application for further and better particulars—Purpose of process—Party entitled to material facts of opponent's case—Rationale of rule—What constitutes material facts dependent upon nature of  case—Court to refuse application seeking names of witnesses or evidence of opponents—Action by (E) in capacity of head against two members of the family—Capacity challenged on ground that E deposed at family meeting—Plea that E served with prior notice of meeting—Whether application by E for particulars of when, how and by whom notice served to be granted.