Construct · 4 fields · 6 citations
One name. Different field. Different construct. One map.
● jingle · one word, four funnels Nearest construct by meaningcloudcompare the meaningsEvery construct on the map is compared with every other by the meaning of its definitions, and the closest one is surfaced here. The nearest construct to funnel is cloud.
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In marketing, the funnel is a staged model of how a large pool of prospects narrows as it moves from first awareness through interest and consideration down to purchase, with fewer people surviving each step. It descends from the hierarchy-of-effects tradition that Lavidge and Steiner's 1961 A model for predictive measurements of advertising effectiveness formalised as an ordered sequence of mental stages, and modern versions track the conversion drop-off between awareness, consideration, and action. Colicev, Kumar, and O'Connor's 2019 study modelled how firm and user content move consumers through these funnel stages on social media. The referent is a metaphor and measurement model of buyer progression, not a cloud in the sky, grain draining through an opening, or plasma falling onto a star.[1][2]
A funnel cloud is the rotating, funnel-shaped cloud of condensed water that extends downward from the base of a cumulonimbus or towering cumulus, marking the visible core of a vortex whose pressure has dropped enough for vapour to condense. It is called a funnel cloud only while the circulation stays aloft; once the vortex reaches the surface it is a tornado. Bluestein and Golden's 1993 A review of tornado observations surveyed how the visible condensation funnel relates to the underlying vortex and its life cycle. The referent is an atmospheric object made of cloud, sized in metres and observed in the sky, not a marketing model, a granular discharge, or an accretion flow.[3]
In granular physics, funnel or hopper flow is the discharge of a granular material, such as sand or grain, through a converging outlet under gravity, where the flow rate is set by the size of the orifice rather than by the height of material stacked above it. Beverloo, Leniger, and van de Velde's 1961 The flow of granular solids through orifices established the empirical law that discharge scales with the effective aperture raised to the five-halves power, and near a small opening the flow can stop entirely as grains bridge into a stable arch. To, Lai, and Pak's 2001 study of jamming in a two-dimensional hopper measured how often such arches block the outlet. The referent is the gravity-driven flow and jamming of discrete grains through an aperture, not a sales model, a storm cloud, or infalling stellar plasma.[4][5]
In accretion astrophysics, a funnel flow is the stream of ionised gas that a young star's magnetic field lifts out of the surrounding disk and guides along field lines onto the star's magnetic poles. Where the stellar magnetosphere truncates the inner disk, matter leaves the midplane and falls in narrow curved funnels, producing hot spots and broad, often redshifted emission lines. Hartmann, Hewett, and Calvet's 1994 Magnetospheric accretion models for T Tauri stars modelled the Balmer line profiles produced by such funnel flows. The referent is a magnetically channelled accretion stream in a star and disk system, set by free-fall along field lines and traced in spectral lines, not a purchase funnel, a funnel cloud, or grain through a hopper.[6]
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