[v3.1 : maps & statistics][+][U-MappingTool: projeted tasks][+]

Differents context levels are encapsulated as the following:
[L4]: remarks, feelings, speculations, philosophical conceptions relaying to the datasource (L1) /="reporter" for this observation
    [L2]: environment as described by L1 during this observation (date/time, weather, description of objects in environment & their spatial location)
        [L0]: focus on a specific object or phenomenon issued from the environnement (L2) and as described by the witness (L1). L0 is part of L2.
        [L1]: witness (or indirect witness) described by himself and optionally his actions in the environment (L2)
        [L3]: other kinds human/organisational actors reported by L1 and their inter-actions in the environment (L2)
            [L3:...]: connected/encapsulated information from another datasource L3:L4(L2(L0,L1,L3)))
        [L2:...]: information on L2 produced by an object connected to L2 (at this time/place): information could be fixed on an independant record support datasource (photos, videos, etc.)

Copy & Paste a preprocessed description (with context differenciation):

([L2] on the [time][:night] [date][:weekday:][:wednesday] [L2] [date][:year:][:2005][:month:][:04][:day:][:27] at [time][:hr:][:23][:mn:][:00] [L1][L1:I] was [L2][L2:2:star] gazing in my backyard  ([L1] [L1:I] was [dir:to][:unit:°:][:90] [L0] what [L1:I] as [nb][:2] [color][:red]  [L0] dimly [:glow:] [light] n] [move] at [frequency][:high] [speed] in a [dir:to][:unit:°:][:90] ) [L4] My initial  thoughts were [L4] this  could have been an [L2:2:aircraft] such as an F18 and [L1:I] was seeing the jets as [move][:out] away from [L1:I]  [L1] [L1:I] [action][:continue] to [action][:watch] the sky for a few moments and saw [L0][Id#][:i] [color][:red] [L0][:glow:] this [time] [move] in an [dir][:unit:°:][:0]  [L4] This [time]  I_am certain [L1:I] see the body an [L2:2:aircraft] even think [LX] [color][:dark]  [L0] There was [sound][:0]   [time][:synch:] [L2] [L2:2:jet] [move] overhead at [nb][:30000] feet [L1][L1:I] hear them  [L1] [L1:I] see [L2][L2:2:satellite] every [L2][time][:night] [L1:I] [L2][L2:2:star] gaze and [L0] simply [appear] as [move] [L2][L2:2:star] n]  [L4]  was it a [altitude][:low] [move] [L2:2:satellite] )