specifically including the nasal cavity wherein a fluid flow is governed in at least one of degree and direction of issuance governing of the degree of fluid flow can involve an applicator that is affixable to a fluid source wherein the applicator can variably constrain the degree of fluid flow being issued governing of the direction of issuance can involve the applicator when affixed to the fluid source issuing the fluid flow in a specific direction relative to the fluid source and an indicator of the fluid source 39 s general orientation relative to vertical application_number US 31662008 A description in the following description identical numbers indicate identical elements where an element has been described in one figure and is unaltered in detail or relation in any other figure said element description applies to all figures a first orientation indicating embodiment 110 of the present invention shown in fig1 is depicted in a representative usage situation about to be repositioned towards the nostril of the individual user depicted the reference attribute relative to vertical indicated by the dashed line 111 for the first orientation indicating embodiment 110 is predicated to be the longitudinal wall 112 of the fluid source 39 s main body 114 in certain embodiments the fluid source 39 s main.