‘Greed’ is the tendency not to spend one’s own property. ‘Activity’ is the disposition to be active devoid of any purpose. ‘Undertaking of works’ is engagement in works which yield fruits. ‘Unrest’ is absence of rest of sense-activities. ‘Longing’ is the desire for sense objects. These predominate when Rajas has increased. The meaning is that whenever greed etc., prevail, then one should know that Rajas has very much increased.